At first I was like, How is that even possible?! Clearly something had to have failed long the VRM/PMU circuitry that provided one of the Vcc rails to something (Giving 5-7v to a 1.3v chip, etc.).
Then I was hold the phone, ED just mentioned burning down the shop-- which I literally Laughed at (Insurance claim can pay for the rest of development!!). April Duels!